| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1383 |
| 2021 | 1524 |
| 2020 | 4574 |
| 2019 | 2956 |
| 2018 | 2199 |
| 2017 | 1598 |
| 2016 | 1357 |
| 2015 | 1709 |
| 2014 | 869 |
| 2013 | 616 |
| 2012 | 307 |
| 2011 | 203 |
| 2010 | 176 |
| 2009 | 132 |
| 2008 | 73 |
| 2007 | 89 |
| 2006 | 51 |
| 2005 | 33 |
| 2004 | 29 |
| 2003 | 41 |
| 2002 | 33 |
| 2001 | 41 |
| 2000 | 34 |
| 1999 | 45 |
| 1998 | 40 |
| 1997 | 53 |
| 1996 | 38 |
| 1995 | 31 |
| 1994 | 24 |
| 1993 | 38 |
| 1992 | 23 |
| 1991 | 15 |
| 1990 | 14 |
